A kind of sedimentation bipyramid section screw unloading filter centrifugal machine
Technical field
The utility model belongs to separation of solid and liquid machinery equipment field, and in particular to a kind of sedimentation bipyramid section screw unloading mistake
Filter centrifuge.
Background technique
Screw settling conveyer centrifugal has rotary drum and the screw feeder in rotary drum, and rotary drum and screw feeder exist
High speed rotation under motor driven (because the revolving speed that differential mechanism has the two is different).Feed pipe protrudes into inside screw feeder and spiral
Cloth hole is offered on the barrel of pusher, material is entered by feed pipe and enters spiral in screw feeder and finally through cloth hole
Between pusher and rotary drum.Material with rotary drum high speed place, under the action of the centrifugal force, material by force of gravity it is several thousand times larger from
Heart acceleration acts on, and solid particle specific gravity is larger in material, and the centrifugal force being subject to is also big, is deposited to drum inner wall rapidly, and compares
The liquid phase of heavy and light is then pressed against rotary drum and is centrally formed hollow pendular ring.The solid being deposited on rotatory drum wall is pushed to by screw feeder
Cinder notch.
The rotary drum and screw feeder of screw settling conveyer centrifugal in the prior art are by straight tube and to be located at straight tube
Single cone cylinder of one end forms, and screw feeder is located at that rotary drum is interior and the helical blade that coils on screw feeder side wall and rotary drum
Rotatory drum wall clearance fit, disadvantage is that: dehydrating effect is bad, and the not set water gone out for extruding is got rid of outward on rotatory drum wall
Sieve pore, therefore the solid phase for falling to drum inner wall can not arrange in time in the water being squeezed into slag notch progradation
Out, dehydrating effect is influenced;The solid matter released through slag notch only experienced the primary extruding in single cone cylinder, and crushing effect is not
The moisture content also contained in solid matter after at the single cone cylinder of good and arrival can not be removed further, no drying effect.
Utility model content
The utility model provides a kind of sedimentation bipyramid section screw unloading filter centrifugal machine, it is intended to effectively improve it to isolating
Solid matter attrition crushing and dehydration drying effect, obtain the sufficiently broken solid matter low with moisture content.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of sedimentation bipyramid section screw unloading filter from
Scheming comprising base and the driving motor being fixed on the base, differential mechanism and tubular shell, the tubular shell are horizontal
It is arranged and is equipped with double cone sieve rotary drum spiral sub-assembly in it, the driving motor passes through differential mechanism and the double cone sieve rotary drum spiral
The rear end connection of sub-assembly is to drive the double cone sieve rotary drum spiral sub-assembly around center axis thereof, and feed pipe is from the tubular
The front end of shell stretches in the double cone sieve rotary drum spiral sub-assembly, and the double cone sieve rotary drum spiral sub-assembly includes rotary drum group
Part and the spiral pusher device assembly in the drum assembly, the drum assembly and the spiral pusher device assembly are in the past
It backward successively include direct tube section, the first conical cylinder section and the second conical cylinder section, the taper end of first conical cylinder section and the second conical cylinder section
It is fixedly and coaxially connected, sieve is densely covered on the rotatory drum wall of the direct tube section of the drum assembly, the first conical cylinder section and the second conical cylinder section
Hole, be equipped on the barrel of the direct tube section of the spiral pusher device assembly, the first conical cylinder section and the second conical cylinder section helical blade and
The rotatory drum wall clearance fit of the outer rim of the helical blade and the drum assembly correspondent section.
Based on the above technical solution, the utility model can also do following improvement.
Further, the tubular shell includes that chamber, institute is discharged positioned at the liquid phase discharge chamber of front and the solid phase positioned at rear portion
The front end for stating the direct tube section of drum assembly is equipped on drive end bearing bracket and the drive end bearing bracket to offer to be connected with liquid phase discharge chamber
Logical liquid outlet, the rear end of second conical cylinder section of the drum assembly be equipped on rear end cap and the rear end cap offer with
The slag notch of the solid phase discharge chamber connection.
Use the above-mentioned improved benefit of further structure for solid phase and liquid phase after being conducive to separation are separately discharged, mutually not
It influences.
Further, the tubular shell be located at the liquid phase discharge chamber and the solid phase discharge chamber between cavity be for
Accept the liquid collecting chamber that liquid is thrown away by the sieve pore.
Use the above-mentioned improved benefit of further structure for the direct tube section of, drum assembly, the sieve of first and second conical cylinder section
Relatively small drop can be measured at hole to throw away, the liquid thrown away is collected in liquid collecting chamber, be collected into it is a certain amount of after from tubular
Discharge in shell (such as can housing bottom set be connected to liquid collecting chamber with valvular drain pipe).
Further, the direct tube section of the drum assembly is made of leading portion cylinder and back segment cylinder, the back segment cylinder
On be densely covered with the sieve pore.
Beneficial effect using above-mentioned further scheme is that the leading portion cylinder of drum assembly does not set sieve pore and back segment cylinder is set
Sieve pore, main cause are the sedimentations that leading portion cylinder is mainly used for solid matter in material, small in sedimentation initial stage solid matter particle
And be not compacted, tiny solid matter particle may be thrown away through sieve pore if setting sieve pore, influence the separation of solid and liquid effect of final material
Fruit, and when being pushed to back segment cylinder through screw feeder after solid matter settles and is compacted, because solid matter have become it is blocky and
It will not be thrown away from sieve pore, the water squeezed out when screw feeder is pushed and squeezed is under the action of the centrifugal force by the sieve on back segment cylinder
Hole is thrown away, and carries out preliminary dehydration drying, then sequentially enter again the first, second conical cylinder section carry out further attrition crushing and
Drying.
Further, the back segment cylinder is made of two semicircular cylinders, and the two sides of two semicircular cylinders are along axial correspondence
It is bolted connection equipped with flanging and by corresponding flanging, edge is axially arranged with ribs on the outer wall of the semicircular cylinder
Item.
Beneficial effect using above-mentioned further scheme is that the back segment cylinder is made of two semicircular cylinders, and benefit is,
It is quick detachable, easy for removing block, it is only necessary to which tearing next semicircular cylinder open from drum assembly can be from the opening removed to entire rotary drum group
It is observed and is cleared up inside part;It is easy-maintaining after damage, when the damage of some semicircular cylinder, corresponding semicircular cylinder only need to be removed more
New semicircular cylinder is changed, material is saved, reduces cost;Rib is reinforced in setting, this section of drum strength can be improved.
Further, first conical cylinder section of the drum assembly is by being located at the first cylinder of front side and positioned at the of rear side
Two cylinders form, and are densely covered with the sieve pore on first cylinder.
Beneficial effect using above-mentioned further scheme is that drum assembly is in the first cone sieve section closer to taper end solid formation
Matter compression is bigger, if also setting sieve pore at taper end, one side rotary drum intensity at taper end declines, it is possible to because of pressure mistake
Deformed damaged greatly, another aspect solid matter is squeezed, and power is excessive may to be pressed into the sieve pore opened up at taper end and cause to block up
Plug, therefore the first cone sieve section only sets sieve pore on first cylinder close to butt end side.
Further, the direct tube section of the drum assembly and the sieve pore on the first conical cylinder section are long hole and the length
Hole is stretched along the circumferential direction of correspondent section rotatory drum wall, and the sieve pore on the second conical cylinder section of the drum assembly is circular hole.
Beneficial effect using above-mentioned further scheme is that the moisture convenient for being squeezed in solid matter smoothly passes through
Sieve pore is thrown away and solid matter is thrown away without sieve pore, and the length of single long hole is about 3-5cm, the width very little of single length, about
For 1-3mm or smaller.
Further, the direct tube section and the first conical cylinder section of the spiral pusher device assembly are integrally formed, and the spiral pushes away
The first conical cylinder section and the second conical cylinder section of feeder assemblies are fixedly connected by ring flange.
Beneficial effect using above-mentioned further scheme is that spiral pusher device assembly in the prior art is single wimble structure,
That is, in the utility model the first conical cylinder section of direct tube section combination, therefore direct tube section and the first conical cylinder section are integrally formed and just anticipate
Taste screw feeder in the prior art can be used as the component of the utility model, it is only necessary to it is bored section carry out it is appropriate
It improves, second conical cylinder section is connected by ring flange, be conducive to carry out spiral pusher device assembly in the prior art
It is re-used after improvement.
Further, corresponding on the direct tube section, the first conical cylinder section and the second conical cylinder section of the spiral pusher device assembly
The screw pitch of the helical blade is sequentially reduced.
Beneficial effect using above-mentioned further scheme, which is that the screw pitch of the helical blade is pushed with solid matter, advances
And be sequentially reduced (itself screw pitch in three sections on each section of cylinder be it is constant, the screw pitch on adjacent two sections of cylinders successively subtracts
It is small), then the extruding force that solid matter is subject in the different sections is different, and reduce with screw pitch and increases, extrusion dehydration and broken
Effect gradually enhances.
Further, several demarcation plates are equipped with inside the direct tube section of the spiral pusher device assembly in the direct tube section
Inside is separated out charging chamber, and several and charging chamber is offered on the direct tube section barrel of the spiral pusher device assembly and is connected
Logical cloth hole, the feed pipe protrude into the charging chamber.
Beneficial effect using above-mentioned further scheme is to be arranged using inside direct tube section perpendicular to axial demarcation plate
By direct tube section, the longer biggish inner cavity of volume is separated out lesser charging chamber originally, then material enters the charging chamber through feed pipe
It fills up the charging chamber quickly afterwards and then is quickly expelled in the gap of pusher cylinder ontology and rotary drum by cloth hole and carry out centrifugation point
From on the one hand avoiding accumulating more material in pusher tube inner chamber and increasing entire screw feeder weight causes rotation to need
Torque increases, and energy consumption increases and the moment of inertia also enhances the damaging action of differential mechanism and driving motor, on the other hand avoids inner cavity
Solid matter may be settled in pusher inner barrel when accumulating more material when not separating, and cleaning is inconvenient.
Compared with prior art, the utility model has the beneficial effects that
Double cone sieve rotary drum spiral sub-assembly is equipped in the tubular shell of the sedimentation bipyramid section screw unloading filter centrifugal machine, it is double
Cone sieve rotary drum spiral sub-assembly includes the spiral pusher device assembly of drum assembly and position in the inner, drum assembly and screw feeder
Component successively includes direct tube section, the first conical cylinder section and the second conical cylinder section, while the direct tube section of drum assembly, first from front to back
It is densely covered with sieve pore on conical cylinder section and the second conical cylinder section, falls to the solid matter on drum assembly direct tube section rotatory drum wall in spiral
The attrition crushing of the first conical cylinder section and the second conical cylinder section and dehydration drying, attrition crushing are successively undergone under the promotion of pusher device assembly
Rotary drum screw assembly than traditional single cone cylinder structure of operating distance and time it is long, and the water squeezed out can be by corresponding
The sieve pore being arranged on section rotatory drum wall is thrown away in time, and the solid matter being finally discharged through solid-phase outlet is sufficiently crushed and is dried,
Moisture content is low.
Detailed description of the invention
Fig. 1 is a kind of axonometric drawing for settling bipyramid section screw unloading filter centrifugal machine provided by the utility model;
Fig. 2 is the front view of sedimentation bipyramid section screw unloading filter centrifugal machine shown in FIG. 1;
Fig. 3 be sedimentation bipyramid section screw unloading filter centrifugal machine shown in Fig. 2 along the sectional view of A-A;
Fig. 4 is the amplified schematic diagram of double cone sieve rotary drum spiral sub-assembly (opposite with front-rear direction in Fig. 3) in Fig. 3;
Fig. 5 is the axonometric drawing of drum assembly in double cone sieve rotary drum spiral sub-assembly shown in Fig. 4;
Fig. 6 is the main view of drum assembly shown in Fig. 5;
Fig. 7 is the axonometric drawing of spiral pusher device assembly in double cone sieve rotary drum spiral sub-assembly shown in Fig. 4;
Fig. 8 is spiral pusher device assembly shown in Fig. 7 along axial cut-away view.
In attached drawing, parts list represented by the reference numerals are as follows:
1A. base;1B. driving motor;1C. differential mechanism;1D. tubular shell;1E. double cone sieve rotary drum spiral sub-assembly;1F.
Feed pipe;10. drum assembly;20. spiral pusher device assembly;30. direct tube section;40. the first conical cylinder section;50. the second conical cylinder section;
101. leading portion cylinder;102. back segment cylinder section;103. the first cylinder;104. the second cylinder;201. helical blade;202. demarcation plate;
203. charging chamber;204. cloth holes;205. ring flange.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with drawings and the specific embodiments, example is only used
In explaining the utility model, it is not intended to limit the scope of the utility model.
If using "upper", "lower", "left", "right", "top", "bottom", "inner", "outside" etc. in the description of the present invention,
The term of indicating position, instruction orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Fig. 1 to Fig. 8 the utility model provides a kind of sedimentation bipyramid section screw unloading filter centrifugal machine comprising machine
Seat 1A and the driving motor 1B, the differential mechanism 1C that are fixed on the base 1A and tubular shell 1D, the tubular shell 1D are horizontal
It is arranged and is equipped with double cone sieve rotary drum spiral sub-assembly 1E in it, the driving motor 1B passes through differential mechanism 1C and the double cone sieve turn
The rear end of drum spiral sub-assembly 1E is connected to drive the double cone sieve rotary drum spiral sub-assembly 1E around center axis thereof, feed pipe
1F is stretched in the double cone sieve rotary drum spiral sub-assembly 1E from the front end of the tubular shell 1D, the double cone sieve rotary drum spiral
Sub-assembly 1E includes drum assembly 10 and the spiral pusher device assembly 20 in the drum assembly 10, the drum assembly 10
And the spiral pusher device assembly 20 successively includes direct tube section 30, the first conical cylinder section 40 and the second conical cylinder section from front to back
50, the taper end of first conical cylinder section 40 and the second conical cylinder section 50 is fixedly and coaxially connected, the direct tube section 30 of the drum assembly 10,
Sieve pore, the direct tube section of the spiral pusher device assembly 20 are densely covered on the rotatory drum wall of first conical cylinder section 40 and the second conical cylinder section 50
30, the outer rim of helical blade 201 and the helical blade 201 is equipped on the barrel of the first conical cylinder section 40 and the second conical cylinder section 50
With the rotatory drum wall clearance fit of 10 correspondent section of drum assembly.
It should be noted that the direct tube section of drum assembly, the first conical cylinder section and adjacent two sections of the second conical cylinder section can be with one
It is body formed to be fixedly connected by ring flange.Similarly, the spiral pusher device assembly can also be in the same way.Turn
Drum component and spiral pusher device assembly both ends are respectively arranged on end cap and respective end cap respectively is arranged the end cap being fitted to each other
Axis, so that it is facilitated to be coupled with the bearing block assembly on base, one end of drum assembly and spiral pusher device assembly
It is connect with the output end of differential mechanism, the other end connects the feed pipe, specific connection type and connection general in the prior art
Mode is identical.
It is understood that outside direct tube section, the first conical cylinder section and the respective specific length of the second conical cylinder section and respective barrel
Helical blade screw pitch size setting can be wanted by those skilled in the art according to the degree of crushing to the solid matter isolated
The specific requirement of moisture content size carries out flexible setting after asking and being dehydrated.The length of usual direct tube section is relatively long, and about first
The length of the summation of conical cylinder section and the second cone cylinder segment length, the first conical cylinder section and the second conical cylinder section is roughly equal.
Further, the tubular shell 1D includes that chamber is discharged positioned at the liquid phase discharge chamber of front and the solid phase positioned at rear portion,
The front end of the direct tube section 30 of the drum assembly 10 is equipped with to offer on drive end bearing bracket and the drive end bearing bracket and arrange with the liquid phase
The rear end of the liquid outlet of chamber connection out, second conical cylinder section 50 of the drum assembly 10 is equipped with rear end cap and the rear end cap
On offer and the slag notch that is connected to of solid phase discharge chamber.
Further, the tubular shell 1D is located at the cavity between liquid phase discharge chamber and solid phase discharge chamber to use
The liquid collecting chamber of liquid is thrown away by the sieve pore in undertaking.
Further, the direct tube section 30 of the drum assembly 10 is made of leading portion cylinder 101 and back segment cylinder 102, institute
It states and is densely covered with the sieve pore on back segment cylinder 102.
Further, the back segment cylinder 102 is made of two semicircular cylinders, and the two sides of two semicircular cylinders are along axial right
Flanging should be equipped with and connection is bolted by corresponding flanging, edge is axially arranged with reinforcement on the outer wall of the semicircular cylinder
Rib.
Further, first conical cylinder section 40 of the drum assembly 10 is by being located at the first cylinder 103 of front side and being located at
Second cylinder 104 of rear side forms, and is densely covered with the sieve pore on first cylinder 103.
Further, the sieve pore on the direct tube section 30 of the drum assembly 10 and the first conical cylinder section 40 be long hole and
The long hole is stretched along the circumferential direction of correspondent section rotatory drum wall, the sieve pore on the second conical cylinder section 50 of the drum assembly 10
For circular hole.
Further, the direct tube section 30 of the spiral pusher device assembly 20 and the first conical cylinder section 40 are integrally formed, described
First conical cylinder section 40 of spiral pusher device assembly 20 is fixedly connected with the second conical cylinder section 50 by ring flange 205.
It is understood that two sections adjacent in direct tube section, the first conical cylinder section, the second conical cylinder section may each be one at
Type is also possible to be fixedly connected by ring flange.It is the replacement of maintenance and component easy to disassemble by the benefit that ring flange connects
It recycles;Integrally formed benefit is to be easily installed and structural strength is good.
Further, the direct tube section 30 of the spiral pusher device assembly 20, the first conical cylinder section 40 and the second conical cylinder section 50
The screw pitch of the upper corresponding helical blade 201 is sequentially reduced.
Preferably, screw pitch of the helical blade on the first conical cylinder section is about the 3/4ths, about second cone on direct tube section
2 times in cylinder section.
Further, several demarcation plates 202 are equipped with inside the direct tube section 30 of the spiral pusher device assembly 20 in institute
It states and is separated out charging chamber 203 inside direct tube section 30, offered on 30 barrel of the direct tube section of the spiral pusher device assembly 20
Several cloth holes 204 being connected to the charging chamber 203, the feed pipe 1F are protruded into the charging chamber 203.
It should be noted that it is provided by the utility model sedimentation bipyramid section screw unloading filter centrifugal machine driving motor and
Differential mechanism with conventional use of product in the prior art, connection, differential mechanism and the rotary drum and spiral of driving motor and differential mechanism
Mounting means of the connection, rotary drum screw assembly of pusher on base etc. is all same as the prior art, and main improve is pair
The improvement of rotary drum and screw feeder structure.Oil supply system, on-line monitoring system and PLC control system of the centrifuge etc. are also adopted
Matching setting is carried out with mode well known to those skilled in the art.
In order to fully understand the core component of centrifuge provided by the utility model --- double conical rotary vessel spiral sub-assembly
Specific structure and function below state its structure and function using another way, and drum assembly includes successively connecting
Logical straight rotary drum directly sieves rotary drum, the first cone sieve rotary drum and the second cone sieve rotary drum, material and acts on and separating through centrifugal force in straight rotary drum
At liquid phase and solid phase, solid phase is adjacent to straight drum inner wall;Solid matter advances to straight sieve rotary drum under screw feeder effect, straight
A part at sieve rotary drum in the moisture content that contains of solid matter throws away to outside rotary drum that (sieve pore is small, and solid phase will not be through sieve pore through sieve pore
It throws away);Then solid phase continues to be advanced in the first cone sieve rotary drum, and solid matter is pushed away from the butt end of the first cone sieve rotary drum to taper end
Increase into, extruding force, solid matter is broken and moisture therein be squeezed out again a part and centrifugal force effect it is small from
It is thrown away in the sieve pore of first cone sieve rotary drum, moisture content further decreases;Subsequent solid matter continues to be pushed into the second cone sieve rotary drum,
Since screw feeder is gradually thicker in the second cone sieve rotary drum, therefore extruding force is still relatively large, and solid matter can be again
It is broken, the moisture contained simultaneously throws away part after being extruded again;It is tentatively dried at straight screen drum, then in the first, second cone
Undergo attrition crushing and drying twice again in sieve rotary drum, the solid matter being finally discharged through solid-phase outlet obtain it is sufficiently broken and
Drying, moisture content are lower.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.